Home > Backend Development > C#.Net Tutorial > C# clear event binding function

C# clear event binding function

黄舟
Release: 2017-02-13 11:42:26
Original
1910 people have browsed it

C# Clear event binding function

  #region 清除事件绑定的函数
        /// <summary>
        /// 清除事件绑定的函数
        /// </summary>
        /// <param name="objectHasEvents">拥有事件的实例</param>
        /// <param name="eventName">事件名称</param>
        public static void ClearAllEvents(object objectHasEvents, string eventName)
        {
            if (objectHasEvents == null)
            {
                return;
            }
            try
            {
                EventInfo[] events = objectHasEvents.GetType().GetEvents(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
                if (events == null || events.Length < 1)
                {
                    return;
                }
                for (int i = 0; i < events.Length; i++)
                {
                    EventInfo ei = events[i];
                    if (ei.Name == eventName)
                    {
                        FieldInfo fi = ei.DeclaringType.GetField(eventName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
                        if (fi != null)
                        {
                            fi.SetValue(objectHasEvents, null);
                        }
                        break;
                    }
                }
            }
            catch
            {
            }
        }
        #endregion
Copy after login


The above is the content of C# clear event binding function. For more related content, please pay attention to the PHP Chinese website (www. php.cn)!


Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template